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Individual Calculations December 2019 |
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| Ptacnikova, Lenka Total change: -16.40 | |   |
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| SGB 2019 rounds 4-7 | Gardabaer | ISL | 2019-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2100 | 1.50 | 4 | -0.82 | 20 | -16.40 | |
|  Thorisson, Benedikt | | | 1700 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kjartansson, David | m | | 2385 | ISL | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Sigurdsson, Pall | | | 1960 | ISL | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Petursson, Gudni | | | 2066 | ISL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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